Systematic Status of a South American Frog, Allophryne ruthveni Gaige

In this detailed study, the authors revisit a little‑known South American frog that has puzzled herpetologists for decades. Drawing on newly acquired specimens from British Guiana, they combine careful measurements, skeletal staining, and X‑ray imaging to flesh out the animal’s anatomy. The paper outlines the frog’s distinctive features—such as its tooth‑less jaws, unusually shaped fingers, and tiny size—and places them in the context of competing family classifications.

Through clear descriptions and precise illustrations, the researchers evaluate earlier taxonomic opinions and propose a refined systematic position for the species. The work also highlights the challenges of working with only a handful of specimens, emphasizing the importance of museum collections for uncovering biodiversity. Listeners will gain an appreciation for the meticulous process of classifying a single amphibian and the broader implications for understanding frog evolution in the Neotropics.